cheap out

verb3

1. •
   (informal) To reduce costs on a project or product to an unreasonable degree; to cut corners.

   • That's not the kind of product you want to cheap out on.
2. •
   (informal) To act cheap; to unreasonably refuse to spend money.

   • I could never marry someone who cheaps out like that.
3. •
   (informal) To be too stingy to achieve a purpose or provide a promised product/service/project.

   • I was cheaped out of having a good vacation because the hotel's marketing misled me.